jackson on how to stop gun shootings straight ahead. jamie? >> jamie: meanwhile, february is american heart health month, and there's a new study that suggests something that millions of americans do every night could be a big risk factor. we're going to take a look at the possible link between snoring and heart disease. >>> also, researchers are calling attention to what they believe is a link between childhood obesity and multiple sclerosis. what every parent needs to know. we're also taking your questions on these topics right now. go to foxnews.com/sunday house call. join our chat. the doctors will take one of your questions on our air live. [ male announcer ] i've seen incredib things. otherworldly things. but there are some things i've never seen before. this ge jet engine can understand 5,000 data samples per second. which is good for business. because planes use less fuel, spend less time on the ground and more time in the air. suddenly, faraway places don't seem so...far away. ♪